Siemens S7-300 - Technical Data - SM 326; DO 8 X DC 24 V;2 A PM

Digital modules
8.5 SM 326; DO 8 x DC 24V/2A PM
Fail-safe signal modules
138 Installation and Operating Manual, 01/2010, A5E00085586-10
8.5.5 Technical data - SM 326; DO 8 x DC 24V/2A PM
Overview
Technical data
Dimensions and Weight
Dimensions W x H x D (mm) 80 x 125 x 120
Weight Approx. 465 g
Module-Specific Specifications
Number of outputs 8
Assigned address area
 In the I/O input area
5 bytes
 In the I/O output area
5 bytes
Cable length
 Unshielded
200 m, maximum
 Shielded
200 m, maximum
Front connectors 40-pin
Maximum achievable Safety Integrity Level in safety mode
 According to IEC 61508
SIL 3
 According to EN 954-1
Category 4
 According to ISO 13849:2006
PLe
Fail-safe performance characteristics SIL 2 SIL 3
 low demand mode (average probability of
failure on demand)
< 1.00E-05 < 1.00E-05
 high demand / continuous mode (probability
of a dangerous failure per hour)
< 1.00E-09 < 1.00E-09
Voltages, Currents, Potentials
Rated supply voltage of the electronics 1L+ 24 V DC
 Reverse polarity protection
Yes
Rated load voltage 2L+/3L+ 24 V DC
 Reverse polarity protection
No
Aggregate current of outputs per group
 Horizontal installation
Up to 40 °C
Up to 60 °C
7.5 A, maximum
5 A, maximum
 Vertical installation
Up to 40 °C
5 A, maximum